dovecot-2.2: i_stream_next_line(): Don't reset stream_errno if s...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/b277f0bb18a2
changeset: 15478:b277f0bb18a2
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Dec 15 13:43:44 2012 +0200
description:
i_stream_next_line(): Don't reset stream_errno if stream is already closed.

diffstat:

 src/lib/istream.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r 5a40e43bbe23 -r b277f0bb18a2 src/lib/istream.c
--- a/src/lib/istream.c	Sat Dec 15 13:31:31 2012 +0200
+++ b/src/lib/istream.c	Sat Dec 15 13:43:44 2012 +0200
@@ -363,7 +363,8 @@
 	const unsigned char *pos;
 
 	if (_stream->skip >= _stream->pos) {
-		stream->stream_errno = 0;
+		if (!unlikely(stream->closed))
+			stream->stream_errno = 0;
 		return NULL;
 	}